WO2016052429A1 - 車両用電源ボックス装置 - Google Patents

車両用電源ボックス装置 Download PDF

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Publication number
WO2016052429A1
WO2016052429A1 PCT/JP2015/077372 JP2015077372W WO2016052429A1 WO 2016052429 A1 WO2016052429 A1 WO 2016052429A1 JP 2015077372 W JP2015077372 W JP 2015077372W WO 2016052429 A1 WO2016052429 A1 WO 2016052429A1
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WO
WIPO (PCT)
Prior art keywords
power supply
power
recovery
relay
vehicle
Prior art date
Application number
PCT/JP2015/077372
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
幸祐 木下
高松　昌博
上園　浩一
Original Assignee
矢崎総業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 矢崎総業株式会社 filed Critical 矢崎総業株式会社
Priority to DE112015004441.8T priority Critical patent/DE112015004441B4/de
Priority to CN201580052935.7A priority patent/CN106797120B/zh
Publication of WO2016052429A1 publication Critical patent/WO2016052429A1/ja
Priority to US15/444,710 priority patent/US10155490B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/29—Instruments characterised by the way in which information is handled, e.g. showing information on plural displays or prioritising information according to driving conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/10—Safety devices not otherwise provided for
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/18—Information management
    • B60K2360/186—Displaying information according to relevancy
    • B60K2360/1868—Displaying information according to relevancy according to driving situations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/46—The network being an on-board power network, i.e. within a vehicle for ICE-powered road vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

Definitions

  • the present invention relates to a vehicle power supply box device disposed between an output of a main power supply on a vehicle and power supply lines of a plurality of electrical components mounted on the vehicle.
  • Patent Document 1 Patent Document 2
  • Patent Document 3 Patent Document 3
  • power from an on-board battery or an alternator which is a main power source on the vehicle
  • a load mounted on the vehicle via a predetermined wire harness, that is, various electrical equipment (including ECU), for example, +12 [V] DC power) must be supplied.
  • ECU various electrical equipment
  • +12 [V] DC power +12 [V] DC power
  • FIG. 1 of Patent Document 1 it is common to arrange a junction box between the output of the battery and many loads, or to arrange a device called a fuse box or a power supply box. It is.
  • Patent Document 1 when controlling the driving of a highly important electric load using a multiplex communication line, even when the communication state of the multiplex communication line becomes abnormal, it is possible to control the driving of a large power electric load with high power consumption.
  • 1 shows a load driving system for a vehicle.
  • Patent Document 2 shows a vehicle power supply system that switches power supply to an important load from a battery when an alternator is abnormal.
  • Patent Document 3 shows a return control method of a vehicle control system for enabling appropriate return processing according to the state of power supply abnormality.
  • the braking electrical equipment stops while the vehicle is running, it will cause a major hindrance to vehicle deceleration and stoppage.
  • the operation of electrical equipment such as an electric power steering device or a direction indicator stops, it becomes difficult to turn safely.
  • the operation of the electrical equipment of the engine system and the transmission system is stopped when the vehicle is traveling on a road or a highway with heavy traffic, it becomes difficult to move the vehicle to a place where it can be safely stopped.
  • the power supply system on the vehicle is sufficiently reliable because it is designed and manufactured so that it does not stop except when power supply from the vehicle side to each electrical device is necessary. It has sex.
  • a power supply system on a vehicle there are generally a plurality of power supply systems that are independent from each other. Specifically, there are the following IG system, ACC system, + B system, and the like. Each of these plurality of power supply systems is optimized according to the application and load side specifications (power consumption, etc.).
  • IG system Electric power is supplied when the key switch of the vehicle is in the on or start position and the ignition (IG) switch is on.
  • ACC system Power is supplied when the vehicle key switch is in the ACC or ON position and the accessory (ACC) switch is on.
  • + B system The power output from the vehicle battery or alternator is always supplied regardless of the position of the key switch of the vehicle.
  • the above-mentioned highly important electrical equipment is generally connected to the “+ B system”. However, if an abnormality such as a disconnection occurs on the upstream side of the “+ B system”, the power supply to the highly important electrical equipment is also stopped.
  • the present invention has been made in view of the above-described circumstances, and an object thereof is to ensure a power supply path for at least highly important electrical equipment even when an unexpected power supply abnormality occurs. Another object is to provide a vehicular power supply box device.
  • a vehicle power supply box device for supplying power from the main power source in conjunction with the first input power line for constantly supplying power from the main power source on the vehicle and the state of the ignition switch of the vehicle
  • a vehicle power supply box device connected between a second input-side power supply line and a plurality of electrical components mounted on the vehicle,
  • a first ignition relay connected under the second input-side power supply line and turned on / off in conjunction with the state of the ignition switch; from the output of the switch portion of the first ignition relay to the first set of electrical components
  • a first ignition power control system for supplying power to the power source;
  • a second ignition relay connected under the first input-side power supply line and turned on / off in conjunction with the state of the ignition switch; from the output of the switch portion of the second ignition relay to the second set of electrical components
  • a second ignition power control system for supplying power to the power source;
  • a recovery switch unit that connects between an output of the switch unit of the first ignition relay and an output
  • a vehicle power supply box device configured as described in (1) above, The recovery switch unit selects a power supply system connected to an input of the second set of electrical components from one of outputs of the switch unit of the first ignition relay and the second ignition relay. And a second selection switch unit that cuts off power supply to the first set of electrical components when the first selection switch unit selects the output of the switch unit of the first ignition relay. Power supply box device for vehicles.
  • the operation abnormality detection unit monitors the input voltage and detects the presence or absence of an abnormality corresponding to the presence or absence of an operation failure in the second ignition relay. Power supply box device for vehicles.
  • a vehicle power supply box device having any one of the constitutions (1) to (3), An operation unit that accepts user input operations; A display unit for displaying desired information as visible information; Further comprising When the operation abnormality detection unit detects an abnormality, the recovery control unit displays visible information indicating the occurrence of the abnormality on the display unit, and also gives an instruction from the user indicating permission of the recovery operation on the operation unit. When detected, switch the recovery switch part on, Power supply box device for vehicles.
  • a vehicle power supply box device having any one of the constitutions (1) to (3), A display unit for displaying desired information as visible information; Further comprising The recovery control unit displays at least one of visible information indicating the occurrence of abnormality and visible information indicating that a predetermined recovery operation is being performed in accordance with the occurrence of the abnormality on the display unit. Power supply box device for vehicles.
  • the vehicular power supply box device having the configuration of (1) above for example, an abnormality that does not move while the connection of the switch portion of the second ignition relay is off occurs, and power is supplied from the output of the second ignition power control system. Is no longer supplied, by switching on the connection of the recovery switch section, the first ignition power control system and the second switch of the second ignition power control system via the recovery switch section. It is possible to supply power to the output. Therefore, it is possible to secure a power supply path for the second set of electrical components having high importance even when there is an abnormality.
  • the vehicular power supply box device having the configuration of (2) above when an abnormality occurs and a recovery operation is performed, the power supply to the first set of electrical components of relatively low importance is cut off.
  • the vehicular power supply box device having the configuration (3) Even if the power allowed by the second input power line and the first ignition power control system is relatively small, it is sufficient for the second set of electrical components having high importance. Power can be supplied. According to the vehicular power supply box device having the configuration (3), this abnormality can be reliably detected when the power supply to the load side cannot be performed due to the malfunction of the second ignition relay. According to the vehicular power supply box device having the configuration (4), it is possible to notify the user (driver) of the occurrence of an abnormality related to the power supply system, and to switch the power supply path reflecting the user's intention. It becomes possible. According to the vehicular power supply box device having the configuration (5) described above, the driver can be surely notified of the state of the vehicle when a power supply abnormality occurs.
  • the vehicle power supply box device of the present invention even when an unexpected power supply abnormality occurs, it is possible to secure a power supply path for at least highly important electrical equipment.
  • FIG. 1 is a block diagram showing a configuration example of a vehicle power supply box device of the present invention.
  • FIG. 2A and FIG. 2B are flowcharts showing the contents of two types of recovery control in the vehicle power supply box device shown in FIG. 3A and 3B are flowcharts showing the contents of two types of display controls in the vehicle power supply box device shown in FIG. 4 (A) and 4 (B) are flowcharts showing modifications of the contents of FIGS. 2 (A) and 2 (B), respectively.
  • FIG. 5 is a front view showing the display contents when the display screen is normal in the vehicle power supply box device shown in FIG. 1.
  • FIG. 6 is a front view showing display contents when an abnormality occurs on the display screen in the vehicle power supply box device shown in FIG. 1.
  • FIG. 5 is a front view showing the display contents when the display screen is normal in the vehicle power supply box device shown in FIG. 1.
  • FIG. 6 is a front view showing display contents when an abnormality occurs on the display screen in the vehicle power supply box device shown
  • FIG. 7 is a front view showing display contents during a recovery operation in the vehicle power supply box device shown in FIG.
  • FIG. 8 is an electric circuit diagram showing a state when an abnormality occurs in the power supply box main body circuit shown in FIG.
  • FIG. 9 is an electric circuit diagram showing a modification of the configuration of the power supply box body circuit.
  • the structural example of the vehicle power supply box apparatus in this embodiment is shown in FIG.
  • the vehicle power supply box device shown in FIG. 1 includes an output of an alternator (generator) which is a main power source of the vehicle and an on-vehicle battery, various electric devices (not shown) which are loads mounted on the vehicle, and various electronic controls. It is arrange
  • this vehicle power supply box device has a function of interrupting overcurrent for each load system using a fuse and a function of controlling on / off of power supply to the load using a relay. Yes.
  • the power supply system on the vehicle is provided with a plurality of power supply systems to meet various needs on the vehicle side and the load side.
  • a plurality of power supply systems to meet various needs on the vehicle side and the load side.
  • IG system IG system
  • ACC system ACC system
  • + B system + B system
  • Each of these plurality of power supply systems is optimized according to the application and load side specifications (power consumption, etc.).
  • IG system Electric power is supplied when the key switch of the vehicle is in the on or start position and the ignition (IG) switch is on.
  • IG system may be further divided into two systems of “IG1 system” and “IG2 system”.
  • ACC system Power is supplied when the vehicle key switch is in the ACC or ON position and the accessory (ACC) switch is on.
  • + B system The power output from the vehicle battery or alternator is always supplied regardless of the position of the key switch of the vehicle.
  • electrical equipment power windows, door locks, etc. placed at each door of a vehicle needs to operate constantly even when the vehicle is stopped. Will be supplied.
  • electrical equipment that consumes a relatively large amount of power such as air conditioners and various heaters in vehicles, for example, the “IG system” is used so that the battery is not consumed when the vehicle is stopped (not generating power). Power will be supplied from.
  • electrical equipment with relatively low power consumption such as car audio devices, power is supplied from the “ACC system” so that it can be used according to the user's request even when the vehicle is stopped. become.
  • the + B power supply side input line 11 and the IG power supply side input line 12 are supplied to the + B power supply side input line 11 and the IG power supply side input line 12 from the outputs of the alternator and the on-vehicle battery, which are the main power supplies of the vehicle.
  • the + B power supply side input line 11 is a wire prepared for supplying the “+ B system” power
  • the IG power supply side input line 12 is a cable prepared for supplying the “IG system” power. is there.
  • the + B power supply side input line 11 and the IG power supply side input line 12 are paths independent from each other, and connect between the output of the main power supply and the input of the vehicle power supply box device of FIG.
  • the IG power supply side input line 12 is always supplied with power from the output of the main power supply.
  • the wire harness including the + B power supply side input line 11 and the IG power supply side input line 12 is designed and manufactured so as to obtain sufficiently high reliability, but an unexpected failure occurs due to some cause. It is also important to consider the possibilities.
  • a power supply failure that cannot supply power to the subordinate electrical equipment may occur if one of the + B power supply side input line 11 and the IG power supply side input line 12 is disconnected or if a contact failure occurs at a connector location or the like. Occurs in power box equipment. In addition, even when a relay failure occurs inside the vehicle power supply box device, a power supply failure that cannot supply power to the subordinate electrical equipment occurs.
  • the vehicle power supply box device shown in FIG. 1 secures a power supply path for highly important electrical equipment that is directly related to the operation of the vehicle even when an unexpected power failure occurs. It has special functions for it. Details will be described later.
  • the vehicle power supply box device shown in FIG. 1 includes a power supply box body circuit 10, a control unit 50, and an operation unit 60.
  • the power supply box body circuit 10 supplies power supplied from the main power supply of the vehicle to the + B power supply side input line 11 and the IG power supply side input line 12 to each load (electrical equipment and ECU) on the load side.
  • the control unit 50 controls some of the relays in the power box main body circuit 10.
  • the operation unit 60 includes a touch panel 61 and a display unit 62, and provides a user interface for operating a power source.
  • ⁇ Configuration of Power Supply Box Body Circuit 10> 1 includes a + B power supply side circuit 20 connected to a + B power supply input line 11, an IG power supply circuit 30 connected to an IG power supply input line 12, and a recovery first. And a relay 41.
  • the notation of some of the relay coils is omitted, but all the relays are provided with a driving coil.
  • each relay can be replaced by a semiconductor relay without a coil.
  • the + B power supply side circuit 20 includes five fuses 21 to 25, a relay 26, a body relay 27, an IG2 relay 28, a second recovery relay 42A, and output terminals 13a to 13f.
  • the + B power supply side circuit 20 supplies power to each load roughly through four paths.
  • the first path of the + B power supply side circuit 20 power is supplied from the + B power supply side input line 11 to the output terminal 13 a via the fuse 21.
  • the second path of the + B power supply side circuit 20 power is supplied from the + B power supply side input line 11 to the output terminal 13 b via the fuse 22.
  • the third path of the + B power supply side circuit 20 power is supplied from the + B power supply side input line 11 to the output terminal 13c via the switch of the relay 26, the fuse 23, and the switch of the body system relay 27.
  • the fourth path of the + B power supply side circuit 20 is output from the + B power supply side input line 11 via the switch of the IG2 relay 28, the switch of the recovery second relay 42A, and the fuse 24 or 25. Power is supplied to the terminal 13e or 13f.
  • the switch of the recovery first relay 41 when the switch of the recovery first relay 41 is switched on under the control of the control unit 50, power can be supplied from the IG power supply side input line 12 instead of the + B power supply side input line 11. Further, the fourth path of the + B power supply side circuit 20 can be switched by switching the switch of the second recovery relay 42A.
  • the output terminal 13a is used, for example, to supply power to a flasher electrical device that blinks a vehicle lamp.
  • the output terminal 13b is used for supplying power for controlling an ignition switch (not shown), for example.
  • the output terminal 13c is used, for example, to supply power to a plurality of electrical equipment mounted on all the doors of the vehicle. Further, a control output of an electronic control unit (ECU) (not shown) that controls the body system including the door electrical equipment is connected to the output terminal 13d, and the switch of the body relay 27 is switched on and off by the control of the electronic control unit. .
  • ECU electronice control unit
  • the output terminal 13e is used, for example, to supply power to an electronic control unit (ECU) (not shown) that controls various electrical devices classified into the IG2 system.
  • the output terminal 13f is used, for example, to supply power to a vehicle airbag.
  • the IG2 relay 28 is controlled in conjunction with an ignition switch (not shown). When the ignition switch is on, the IG2 relay 28 is also turned on. When the ignition switch is off, the IG2 relay 28 is also turned off. .
  • the switches of the recovery first relay 41, the relay 26, and the recovery second relay 42A are in the state shown in FIG. 1 in the initial state and the normal state, and when an abnormality occurs, the control unit 50 controls the switch.
  • the switch status changes.
  • the common terminal 42Ac can be selectively connected to one of the two terminals 42A1 and 42A2.
  • the IG power supply side circuit 30 includes five fuses 31 to 35, an IG1 relay 36, relays 37 and 38, a recovery second relay 42B, and output terminals 13g to 13k.
  • the IG power supply side circuit 30 roughly supplies power to each load through four paths.
  • the first path of the IG power supply side circuit 30 is output from the IG power supply side input line 12 via the switch of the IG1 relay 36, the switch of the recovery second relay 42B, the fuse 31 or the fuse 32. Supply power is supplied to the terminal 13g or 13h. However, when the control unit 50 controls the second recovery relay 42B, the switch of the second recovery relay 42B can be switched to supply power to another path.
  • the IG1 relay 36 is controlled in conjunction with an ignition switch (not shown). When the ignition switch is on, the IG1 relay 36 is also turned on. When the ignition switch is off, the IG1 relay 36 is also turned off. .
  • the second path of the IG power supply side circuit 30 power is supplied from the IG power supply side input line 12 to the output terminal 13 i via the fuse 33.
  • the third path of the IG power supply side circuit 30 power is supplied from the IG power supply side input line 12 to the output terminal 13 j via the switch of the relay 37 and the fuse 34.
  • the fourth path of the IG power supply side circuit 30 power is supplied from the IG power supply side input line 12 to the output terminal 13 k via the switch of the relay 38 and the fuse 35.
  • the switches of the relay 37 and the second recovery relay 42B can be switched independently under the control of the control unit 50.
  • the switch of the relay 38 can be switched by control of an electronic control unit (ECU) (not shown).
  • ECU electronice control unit
  • the common terminal 42Bc can be selectively connected to one of the two terminals 42B1 and 42B2.
  • the output terminal 13g is used, for example, to supply power to various electrical devices classified into the IG1 system, that is, to the first group of electrical devices that need to be interlocked with the ignition switch.
  • the electrical equipment of the first group means electrical equipment of relatively low importance that is not directly related to driving (running, turning, stopping) of the vehicle.
  • the output terminal 13h is an electronic control unit that controls various electrical equipment classified into the IG1 system and electrical equipment of relatively low importance that is not directly related to driving (running, turning, stopping) of other vehicles. Used to supply power to a power source (not shown).
  • the output terminal 13i is used, for example, to supply power to the electrical equipment (AM1) that controls the engine system.
  • the output terminal 13j is used to supply power to an electrical equipment (DOME) in the passenger compartment, for example, an audio equipment, a room lamp, a clock, and the like.
  • the output terminal 13k is used to supply power to an electrical device such as a tail lamp (TAIL LP) of a vehicle, for example.
  • TAIL LP tail lamp
  • the ON / OFF of the relay 37 that controls the power supply to the output terminal 13j is controlled by a signal output from the control unit 50. Further, on / off of the relay 38 that controls power supply to the output terminal 13k is controlled by a signal output from an electronic control unit (ECU) (not shown).
  • ECU electronice control unit
  • the control unit 50 shown in FIG. 1 includes a microcomputer (CPU) 51, a voltage monitoring unit 52, a driver 53, and a display control unit 54. Note that a logic circuit capable of equivalent control can be used instead of the microcomputer 51. However, when relatively complicated control is performed, the microcomputer can be realized at a lower cost.
  • the microcomputer 51 controls the ON / OFF of each relay in the power box main body circuit 10 by executing a program incorporated in advance, thereby realizing a characteristic recovery control function described later.
  • the voltage monitoring unit 52 monitors the voltage Vbin appearing on the + B power supply side input line 11 and the voltage Vig2 appearing on the output of the IG2 relay 28, respectively.
  • the microcomputer 51 grasps the digital values of the voltages Vbin and Vig2 through the voltage monitoring unit 52, and identifies the presence or absence of power supply abnormality based on these voltage values.
  • the driver 53 amplifies a plurality of control signals output from the microcomputer 51, respectively, and relays 26, the first recovery relay 41, the second recovery relays 42 ⁇ / b> A, 42 ⁇ / b> B, which are arranged in the power supply box body circuit 10. And it applies to each drive coil of the relay 37, and ON / OFF drive of each relay is implemented.
  • the display control unit 54 performs display control for displaying information output from the microcomputer 51 on the display screen 63 of the display unit 62 as visible information.
  • the display unit 62 of the operation unit 60 has a flat display screen 63 constituted by a liquid crystal display.
  • the display screen 63 is composed of a large number of pixels that can individually control the presence / absence of display, display color, gradation, and the like, and displays visible information such as images, graphics, and characters according to instructions from the microcomputer 51. It is possible.
  • a transparent touch panel 61 is disposed on the display screen 63 of the display unit 62. When the user touches the touch panel 61 with a finger, an input operation can be performed on the operation buttons displayed on the display screen 63. In addition, you may change so that input operation may be performed using the switch (not shown) provided in the place different from the touch panel 61. FIG. In that case, the touch panel 61 of the operation unit 60 may be omitted.
  • FIGS. 2 (A) and 2 (B) The contents of the two types of recovery control in the vehicle power supply box device shown in FIG. 1 are shown in FIGS. 2 (A) and 2 (B), respectively. That is, the microcomputer 51 of the control unit 50 shown in FIG. 1 performs at least “recovery” of “recovery control 1” shown in FIG. 2A and “recovery control 2” shown in FIG. By performing the control 1 ”, a characteristic recovery operation is realized. Note that “recovery control 1” in FIG. 2A and “recovery control 2” in FIG. 2B are repeatedly executed, for example, at regular intervals. Moreover, the modification of FIG. 2 (A) and FIG. 2 (B) is shown to FIG. 4 (A) and FIG. 4 (B).
  • step S21 of FIG. 2A the microcomputer 51 measures the voltage Vig2 at the output of the IG2 relay 28 via the voltage monitoring unit 52, and acquires the latest value of the voltage Vig2.
  • step S22 the microcomputer 51 identifies the presence / absence of an abnormality such as a failure of the IG2 relay 28 by comparing the value of the voltage Vig2 acquired in S21 with a predetermined threshold value.
  • an abnormality such as a failure of the IG2 relay 28
  • the voltage Vig2 0 [V] is obtained. Therefore, an intermediate value between the normal voltage Vig2 and 0 [V] is set as a threshold value. The presence or absence of a failure can be identified.
  • the process of FIG. 2A is terminated, and when a failure is detected, the process proceeds to S23.
  • step S23 the microcomputer 51 displays visible information indicating the occurrence of power supply abnormality on the display screen 63 of the display unit 62, and notifies the user of the abnormality.
  • the specific contents of the display control will be described later.
  • step S24 the microcomputer 51 monitors the user's input to the touch panel 61 and identifies whether or not recovery permission is input. If a recovery permission operation input is detected, the process proceeds to the next S25. For example, when a predetermined time has elapsed, it is assumed that the process automatically proceeds to S25 even if there is no recovery permission operation input. Further, steps S23 and S24 may be omitted and processing may be performed as in the modified example shown in FIG. 4A, or only step S24 may be omitted and the display function of S23 may be left.
  • step S25 the microcomputer 51 controls the recovery second relays 42A and 42B to switch the input of the IG2 system to the relay output of the IG1 system. That is, the switch of the recovery second relay 42A is switched so that the common terminal 42Ac is connected to the terminal 42A2. Further, the switch of the recovery second relay 42B is switched so as to connect the common terminal 42Bc to the terminal 42B1. As a result, the output of the IG1 relay 36 is connected to the inputs of the fuses 24 and 25 as the IG2 system via the switches of the recovery second relays 42B and 42A. By the control of S25, each switch is switched to the state shown in FIG.
  • step S26 the microcomputer 51 cuts off the power supply to the low priority load among the loads connected to the IG1 system in order to suppress the overall power consumption and prevent the occurrence of power shortage. .
  • an abnormality such as a relay failure occurs, recovery can be performed so that power is supplied to all loads that are directly related to whether the vehicle is running, turning, or stopping. .
  • the load connected to the output terminals 13g and 13h is the IG1 system of the vehicle and is not directly related to driving, so a low priority can be assigned. it can. Therefore, the microcomputer 51 cuts off the power supply to the output terminals 13g and 13h in S26. Actually, since the power supply to the output terminals 13g and 13h has already been cut off by switching the switch of the recovery second relay 42B in S25, nothing is done in S26 in the case of the circuit shown in FIG. There is no need.
  • the connection between the terminal 42A2 of the second recovery relay 42A and the terminal 42B1 of the second recovery relay 42B may be released, and the terminal 42A2 may be directly connected to the output of the switch of the IG1 relay 36.
  • the recovery second relay 42A may be switched in S25, and the recovery second relay 42B may be switched in S26.
  • step S11 of FIG. 2B the microcomputer 51 measures the voltage Vbin in the + B power supply side input line 11 via the voltage monitoring unit 52, and acquires the latest value of the voltage Vbin.
  • step S12 the microcomputer 51 identifies the presence or absence of disconnection in the + B power supply side input line 11 by comparing the value of the voltage Vbin acquired in S11 with a predetermined threshold value.
  • the voltage Vbin becomes 0 [V]. Therefore, by setting an intermediate value between the normal voltage of the voltage Vbin and 0 [V] as a threshold value, it is possible to identify whether there is an abnormality such as disconnection. .
  • the process of FIG. 2B is terminated, and when disconnection is detected, the process proceeds to S13.
  • step S13 the microcomputer 51 displays visible information indicating that a power supply abnormality has occurred on the display screen 63 of the display unit 62, and notifies the user that there is an abnormality.
  • the specific contents of the display control will be described later.
  • step S14 the microcomputer 51 monitors the user's input to the touch panel 61 and identifies whether or not recovery permission is input. If a recovery permission operation input is detected, the process proceeds to S15. For example, when a predetermined time has elapsed, it is assumed that the process automatically proceeds to S15 even if there is no recovery permission operation input. Further, steps S13 and S14 may be omitted, and processing may be performed as in the modified example illustrated in FIG. 4B, or only step S14 may be omitted and the display function of S13 may be left.
  • step S15 the microcomputer 51 switches on the first recovery relay 41.
  • the switch of the recovery first relay 41 is closed, and the power is supplied from the IG power supply side input line 12 to the + B power supply side input line 11 side via this switch. That is, when power from the + B power supply side is not supplied due to the disconnection of the + B power supply side input line 11, the recovery operation is performed from the IG power supply side input line 12 via the recovery first relay 41 to the + B power supply side. Power is supplied to the input of the circuit 20.
  • step S16 the microcomputer 51 controls the switch assigned for power consumption suppression to cut off the power supply to the low priority load in each power supply system.
  • the load connected to the output terminals 13c and 13d is the body system of the vehicle and is not directly related to driving, so a low priority can be assigned. it can. Moreover, since the load connected to the output terminal 13i is also in the passenger compartment and is not directly related to driving, a low priority can be assigned. Therefore, in S16, the microcomputer 51 controls the relay 26 to be turned off to cut off the power supply to the output terminals 13c and 13d, and controls the relay 37 to be turned off to cut off the power supply to the output terminal 13j.
  • steps S15 and S16 it may be better to reverse the order of the processes in steps S15 and S16, or it may be better to process almost simultaneously. These orders may be changed as necessary.
  • FIG. 3 (A) and FIG. 3 (B) The contents of the two types of display control in the vehicular power supply box device shown in FIG. 1 are shown in FIG. 3 (A) and FIG. 3 (B), respectively. That is, when the microcomputer 51 of the control unit 50 shown in FIG. 1 executes the “display control” of FIG. 3A or 3B, the user interface using the operation unit 60 related to the recovery operation is used. Can be displayed on the screen. Note that the “display control” in FIG. 3A or 3B is repeatedly executed, for example, at a constant cycle.
  • step S31 the microcomputer 51 updates the content displayed on the display screen 63 of the display unit 62 via the display control unit 54, and displays it on the screen as visible information. Further, in order to distinguish visually the path on the + B power supply side circuit 20 side and the path on the IG power supply side circuit 30 side, for example, they are displayed in different display colors (for example, red and blue), Change the line thickness and line type as necessary. Specific examples of display contents will be described later. In addition, you may abbreviate
  • the microcomputer 51 identifies whether there is an abnormality in the power supply in S32, and if there is an abnormality, proceeds to S33.
  • the microcomputer 51 notifies the user of the occurrence of an abnormality in the power supply, for example, by displaying a message using characters.
  • the microcomputer 51 displays an “OK” button for operation on the screen to enable the user's input operation.
  • step S35 the microcomputer 51 adds a display such as a graphic indicating the occurrence of an abnormality to the abnormality occurrence location in the power supply path displayed on the screen in S31.
  • step S36 the microcomputer 51 automatically distinguishes between the path where the power supply is continued due to the occurrence of an abnormality and the path where the power supply is interrupted, and among the power supply paths displayed on the screen in S31. Thus, the display of the route where the power supply is interrupted is switched to the non-display state or the display suppression state.
  • step S37 the microcomputer 51 identifies whether or not the path switching has been completed by the recovery control shown in FIG. 2A or FIG. 2B, and proceeds to the next S38 if completed.
  • step S38 the microcomputer 51 displays a message indicating “being recovered” on the screen as, for example, textual visual information.
  • step S39 the microcomputer 51 displays on the screen the path through which power is supplied by the recovery operation.
  • step S40 the microcomputer 51 turns off or suppresses the route display on the screen at the location where the power supply is cut off by the recovery operation.
  • FIG. 5 shows the display contents when the display screen in the vehicle power supply box device shown in FIG. 1 is normal. Also, FIG. 6 shows display contents when an abnormality occurs on the display screen, and FIG. 7 shows display contents during the recovery operation.
  • a visible pattern having a shape simulating the contour shape of the vehicle body of the vehicle is displayed as the vehicle body display 63a.
  • a route display 63b and a route display 63c representing actual main power supply routes are displayed on the screen. That is, in the power supply path of the power supply box body circuit 10 shown in FIG. 1, the actual path passing position corresponding to the + B power supply side circuit 20 is displayed as the path display 63 b and corresponds to the IG power supply side circuit 30. The actual route passing position is displayed as a route display 63c. Further, for example, the route display 63b is displayed in a red display color, and the route display 63c is displayed in a blue display color.
  • a UI display portion 63d is displayed on the screen, and when there is no abnormality in the power source, a “normal” character is displayed.
  • a message “Power failure: IG2 power failure” is displayed on the UI display portion 63d (S33), and an “OK” button for operation is also displayed (S34). Also, the abnormality display pattern 63e is displayed at the abnormality occurrence location on the route (S35). Further, the path where the power is not supplied due to the occurrence of an abnormality, that is, the path display 63b representing the + B power supply side circuit 20 downstream from the output of the IG2 relay 28 is updated to the extinguished state or the display suppression state (S36).
  • the display content of the UI display unit 63d is updated as shown in FIG.
  • the message “IG2 power recovery is in progress” is displayed on the UI display unit 63d (S38).
  • a message “An abnormality has occurred in the IG2 power supply” may be displayed.
  • the path display 63b corresponding to the power supply path in the + B power supply side circuit 20 to which power is supplied by recovery
  • the path display 63c is displayed in the same display color.
  • the route display is switched off in S40 at a location where power supply is cut off due to recovery.
  • the mode of displaying the route and the failure part has been described.
  • the display of these routes and failure parts is not essential, and may be omitted.
  • processing is performed as shown in FIG. 3B in which S31, S35, S36, S39, and S40 in FIG. 3A are omitted, and information is displayed only on the UI display unit 63d. Also good.
  • the power supply to the low priority load that is not directly related to the driving of the vehicle is cut off (S26), It is possible to suppress power consumption of the entire load and prevent supply power from becoming insufficient.
  • “recovery control 2” shown in FIG. 2B when the disconnection of the + B power supply side input line 11 occurs and power is not supplied to the input of the + B power supply side circuit 20, the recovery process is started. Power can be supplied from the IG power supply side input line 12 to the input of the + B power supply side circuit 20 using the switch of the 1 relay 41. Therefore, even when a power failure occurs due to an unexpected power failure (disconnection), it is possible to secure a power supply path for various electrical equipment necessary for driving the vehicle, and improve the safety of the vehicle.
  • the recovery operation is performed by controlling the first recovery relay 41 in S15, the power supply to the low-priority load that is not directly related to the driving of the vehicle is cut off (S16). Power consumption can be suppressed, and supply power shortage can be prevented in advance.
  • FIG. 9 A modification of the configuration of the power supply box main body circuit 10 is shown in FIG.
  • the mounting of the first recovery relay 41 shown in FIG. 1 is omitted.
  • the relay 26 and the relay 37 can be omitted.
  • a first input power supply line (power supply input line 11) for constantly supplying power from the main power supply on the vehicle and the main power supply in conjunction with the state of the ignition switch of the vehicle.
  • Power supply box device for vehicle connected between a second input power supply line (power supply input line 12) for supplying power supply power and a plurality of electrical components mounted on the vehicle Circuit 10),
  • a first ignition relay (IG1 relay 36) connected under the second input-side power supply line and turned on / off in conjunction with the state of the ignition switch; from the output of the switch portion of the first ignition relay A first ignition power control system (IG1 system) for supplying power to a set of electrical components (not shown);
  • a second ignition relay (IG2 relay 28) connected under the first input-side power supply line and turned on / off in conjunction with the state of the ignition switch; from the output of the switch portion of the second ignition relay A second ignition power control system (IG2 system) for supplying power to two sets of electrical components (not shown);
  • a recovery switch unit (second recovery relays 42A and 42B) that connects between the output of the switch unit of the first ignition relay and the output of the second ignition power control system;
  • An operation abnormality detection unit (microcomputer 51, voltage monitoring unit 52
  • the recovery switch unit selects a power supply system connected to an input of the second set of electrical components from one of outputs of the switch unit of the first ignition relay and the second ignition relay. Part (second relay for recovery 42A) and a second selection switch part for cutting off power supply to the first set of electrical components when the first selection switch part selects the output of the switch part of the first ignition relay (Second relay for recovery 42B).
  • the operation abnormality detection unit monitors the input voltage and detects the presence or absence of an abnormality corresponding to the presence or absence of operation failure in the second ignition relay (IG2 relay 28) (S21, S22).
  • the vehicle power supply box device according to any one of [1] to [3], An operation unit (touch panel 61) for receiving a user input operation; A display unit (62) for displaying desired information as visible information; Further comprising The recovery control unit (51) displays visible information indicating the occurrence of an abnormality on the display unit when the operation abnormality detection unit detects an abnormality (S23), and from a user indicating permission of the recovery operation. When the instruction is detected by the operation unit, the recovery switch unit is turned on (S25).
  • the vehicle power supply box device according to any one of [1] to [3], A display unit for displaying desired information as visible information; Further comprising The recovery control unit displays at least one of visible information indicating the occurrence of an abnormality and visible information indicating that a predetermined recovery operation is being performed in accordance with the occurrence of the abnormality on the display unit (S33, S35). , S38).
  • the present invention even if an unexpected power supply abnormality occurs, there is an effect that it is possible to secure a power supply path for at least highly important electrical equipment.
  • the present invention having this effect is useful for a vehicle power supply box device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Connection Or Junction Boxes (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
PCT/JP2015/077372 2014-09-29 2015-09-28 車両用電源ボックス装置 WO2016052429A1 (ja)

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DE112015004441.8T DE112015004441B4 (de) 2014-09-29 2015-09-28 Stromversorgungskasten für ein Fahrzeug
CN201580052935.7A CN106797120B (zh) 2014-09-29 2015-09-28 车辆电源箱装置
US15/444,710 US10155490B2 (en) 2014-09-29 2017-02-28 Vehicle power supply box device

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JP2014199130A JP6116535B2 (ja) 2014-09-29 2014-09-29 車両用電源ボックス装置
JP2014-199130 2014-09-29

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CN109256765B (zh) * 2018-11-21 2024-06-18 广州领世汽车科技有限公司 一种直流电源分配箱
KR102487710B1 (ko) * 2021-06-25 2023-01-11 주식회사 현대케피코 차량의 키 오프 상태 인식 불가시 액추에이터의 구동을 안전하게 차단하기 위한 전원 차단 시스템 및 전원 차단 시스템의 제어 방법
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CN106797120A (zh) 2017-05-31
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JP6116535B2 (ja) 2017-04-19
DE112015004441T5 (de) 2017-07-20
US20170166146A1 (en) 2017-06-15
JP2016073068A (ja) 2016-05-09
DE112015004441B4 (de) 2022-06-30

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